drewwilson07
drewwilson07
04-04-2016
Mathematics
contestada
Factorise and Solve
Respuesta :
Panoyin
Panoyin
04-04-2016
x² + 8x - 20 = 0
x² + 10x - 2x - 20 = 0
x(x) + x(10) - 2(x) - 2(10) = 0
x(x + 10) - 2(x + 10) = 0
(x - 2)(x + 10) = 0
x - 2 = 0 or x + 10 = 0
+ 2 + 2 - 10 - 10
x = 2 or x = -10
The answer is B.
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
A man is 6 feet 3 inches tall. The tip of his shadow touches a fire hydrant that is 13 feet 6 inches away. What is the angle of elevation from the base of the
A constant unbalanced force of friction acts on a 15.0-kilogram mass moving along a horizontal surface at 10.0 meters per second. If the mass is brought to rest
answer these 2 questions pls Why were African slaves brought to the Americas? to rid the African continent of its unemployed population to fill the large need f
Create 10 to 15 footnote annotations, or explanatory notes, to define some of Boyle's more difficult language and to show students how Boyle makes an argument t
How might the decision in McCulloch v. Maryland make future Supreme Court decisions more complicated? The principle of federal supremacy meant the Court would
what is the simplification of 1.1
Which of the following is a true statement? A) Greek city-states were originally formed for religious reasons. B) Greek city-states were surrounded by walls and
What is the diameter of a circle with circumference C= 191 ? Leave answers in exact form.
We look to the past for stories of legendary figures. Future readers will one day be looking to our time for legendary figures as well. Who are some current-day
can somebody please answer this quickly
